Supply, Erection, Testing and Commissioning of 2Nos. new Air vent pipes along with Dismantling of old Air vent pipes at penstocks inside the vertical tunnel of Sathanur Dam Power House,Sathanur Dam

Amount

I.Material Charges: Charges for supply of MS pipe of 500 mm dia and 9.50 mm thickness for a total length of 72 meters

II.Labour Charges: Charges for dismantling the damaged air vent pipe of 500 mm dia and 6 mm thickness, each of length of 36 m extending from penstocks, including cutting and removing MS pipe scrap from surge chamber and clearing the steel scraps inside the underground vertical tunnel

Charges for dismantling RCC concrete bottom of 500mm dia air vent pipe, removing concrete debris from underground vertical tunnel, disposing the debris and labour works inside the underground vertical tunnel

Charges for erection for 500 mm dia, 9.50 mm thickness air vent pipes 72m length (each 36 metre length), including labour charges for cutting and welding works, and material and labour charges for providing clamps, supports and fasteners .

Providing and laying RCC of grade M30 with 12 mm to 20 mm HB stone aggregate using motor operated winch, rope and pulley arrangements, steel scaffolding, ventilation, tools and labour inside the vertical tunnel and charges including reinforcement steel and shuttering charges

Painting charges including material and labour to paint the entire surface of newly erected air vent pipes each of dia 500 mm and length 36m with Asian Make APCODUR

Hiring charges for steel scaffolding arrangements for the replacement of 2 nos. damaged air vent pipes of diameter 500 mm to a depth of 36 m including tools and tackles

Hiring charges for motor operated winch with the operating range of 40 m depth and capacity of 10 Tons

Hiring and running charges for crane (20T capacity)